the smoker himself. He will readily admit that 

 excess is bad. He will readily admit that the 

 use of tobacco is not suitable to immature per- 

 sons, or in fact to many other persons, but he 

 insist that in the majority of cases, it is not 

 only practically harmless but that it has many 

 desirable qualities, for that is proved by his 

 own experience and the experience of millions 

 of other smokers in all ages and under all con- 

 ditions. 



We will now proceed to consider some of the 

 effects which have been ascribed to tobacco 

 smoking and give expressed opinions concern- 

 ing them. 



PHYSICAL EFFECTS OF TOBACCO SMOKING 

 The principal deleterious effects on the hu- 

 man system ascribed to the use of tobacco are : 



(a) Throat diseases. 



(b) Disturbance of vision. 



(c) Heart troubles (smokers' heart). 



(d) Disturbance of the digestive organs 

 (dyspepsia, etc.). 



(e) Disturbance of the nervous system. 



(f) Disturbance of nutrition. 



As regards (a) throat diseases, the following 

 is the opinion of Dr. H. Reik of the Johns Hop- 

 kins University, surgeon to the Baltimore Eye, 

 Ear and Throat Hospital, as expressed by him 



179 



